The VASP Manual: Difference between revisions

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== Getting started ==
{| cellpadding="5" cellspacing="15" style="width: 100%; border-spacing: 15px;"  
:{| cellpadding="5" cellspacing="15"
| style="background: #F8F4FB;"| [[Welcome|Take a tour]] || style="background: #F8F4FB;"|[[Installing VASP.6.X.X|Install VASP]] || style="background: #F8F4FB;"| [https://www.vasp.at/sign_in/registration_form/ Get a license]
| [[:Category:VASP6|VASP6]]|| Features that will only be available in VASP.6.X.
|-
|-
| [[:Category:Installation|How to Install VASP]]|| First install VASP.
|style="background: #FCF3F4;"| [[Changelog|Release notes]] ||style="background: #FCF3F4;"| [https://www.vasp.at VASP website and news] ||style="background: #FCF3F4;"| [https://www.vasp.at/forum/ Forum]
|-
|-
<!--| [[Validating VASP|Test Suite and Benchmarks]]|| Next validate your installation with the test suit and benchmarks.
|style="background: #F3FCFB;"| [https://www.vasp.at/learn/ Learn], [[:Category:Examples|examples]], [[:Category:Tutorials|Wiki tutorials]] ||style="background: #F3FCFB;"| [https://www.vasp.at/py4vasp/latest py4vasp] ||style="background: #F3FCFB;"| [https://www.vasp.at/sign_in/portal Portal]
|- -->
|-  
| [[VASP workshop|Workshops]]|| The collection of workshops is a good place for the introduction to the basics of VASP.
|-
| [[Lectures_and_presentations|Lectures]]|| The collection of lectures is a good place to start as well.
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| [[:Category:Tutorials|Tutorials]] and [[:Category:Examples|Examples]]|| The collection of tutorials and examples is a good place to learn the usage of VASP.
|-
|}
 
== Input and Output ==
 
:{| cellpadding="5" cellspacing="15"
| [[:Category:INCAR|INCAR tags]]|| All INCAR tags at a glance.
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| [[:Category:Input Files|Input Files]]
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| [[:Category:Output Files|Output Files]]
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|}
== Featured topics ==
== Featured topics ==
:{| cellpadding="5" cellspacing="15"
{| style="width: 100%" class="sortable wikitable"
| '''Category''' || ''subtopics (amongst others)''
|-
! scope="col" style="padding:5px; border-style: solid; border-width: 15px; border-color: white" | '''Category'''
! scope="col" class="unsortable" style="padding:5px; border-style: solid; border-width: 15px; border-color: white" | ''subtopics (amongst others)''
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| [[:Category:PAW| PP and PAW]]|| Theory, available potentials.
|style="background: #F8F4FB; padding:5px; border-style: solid; border-width: 15px; border-color: white"| [[:Category:Theory| Theoretical background]]|| style="background: white; padding:5px; border-style: solid; border-width: 15px; border-color: white"| Density-functional theory, [[pseudopotentials]], [[projector-augmented-wave formalism]],  [[phonons]], [[Machine_learning_force_field:_Theory |machine learning force fields]], [[Hybrid functionals: formalism|hybrid functionals]], GW approximation, etc.
|-
|style="background: #F8F4FB; padding:5px; border-style: solid; border-width: 15px; border-color: white"| [[:Category:Calculation setup| Calculation setup]] || style="background: white; padding:5px; border-style: solid; border-width: 15px; border-color: white" | [[:Category:Installation|Installation]], [[:Category:Input files|input files]], [[:Category:Output Files|output files]], [[:Category:INCAR tag|INCAR tags]], [[:Category:Howto|How to's]], etc.
|-
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| [[:Category:Electronic Minimization| Electronic Minimization]]|| Davidson, RMM-DIIS, Conjugate-gradient, preconditioning, mixing.
|style="background: #FCF3F4; padding:5px; border-style: solid; border-width: 15px; border-color: white"|[[:Category:Electronic minimization| Electronic minimization]]|| style="background: white; padding:5px; border-style: solid; border-width: 15px; border-color: white"| [[Self-consistency cycle]], [[blocked-Davidson algorithm]], [[RMM-DIIS]], [[direct optimization of the orbitals]], [[preconditioning]], [[density mixing]], etc.
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| [[:Category:XC Functionals| XC Functionals]]|| LDA, GGA, metaGGA, HF/DFT hybrid functionals, vdW functionals.
|style="background: #FCF3F4; padding:5px; border-style: solid; border-width: 15px; border-color: white"| [[:Category:Electronic ground-state properties| Electronic ground-state properties]]|| style="background: white; padding:5px; border-style: solid; border-width: 15px; border-color: white"| [[:Category:Band structure|Band structure]], [[:Category:Density of states |density of states]], partial DOS and on-site charge and magnetization ({{TAG|LORBIT}}), [[:Category:Electrostatics |electrostatics]], etc.
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| [[:Category:Structural Optimization| Structural Optimization]]|| Ionic mimimization methods.
|style="background: #FCF3F4; padding:5px; border-style: solid; border-width: 15px; border-color: white"| [[:Category:Magnetism| Spin degree of freedom]]|| style="background: white; padding:5px; border-style: solid; border-width: 15px; border-color: white"| Spin-orbit coupling, noncollinear magnetism, spin spirals, constrained magnetism, etc.
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| [[:Category:Dynamics| Molecular Dynamics]]|| Barostats, thermostats, ensembles, different MD methods.
|style="background: #FCF3F4; padding:5px; border-style: solid; border-width: 15px; border-color: white"| [[:Category:Exchange-correlation functionals|Exchange-correlation functionals]]|| style="background: white; padding:5px; border-style: solid; border-width: 15px; border-color: white"| [[:Category:GGA|LDA]], [[:Category:GGA|GGA]], [[:Category:meta-GGA|meta-GGA]], [[:Category:DFT+U|DFT+U]], [[:Category:Hybrid functionals|hybrid functionals]], [[:Category:van_der_Waals_functionals|van der Waals functionals]].
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<!-- | [[:Category:Machine Learning| Machine Learning]]|| Machine-learned force fields. 
|style="background: #F3FCFB; padding:5px; border-style: solid; border-width: 15px; border-color: white"| [[:Category:Symmetry| Symmetry and structure]]|| style="background: white; padding:5px; border-style: solid; border-width: 15px; border-color: white"| Crystal symmetry, reciprocal space, surfaces, pair-correlation function for liquids, etc.
|- -->
| [[:Category:Lattice Vibrations| Lattice Vibrations]]|| Phonons, electron-phonon interactions.
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| [[:Category:Dielectric Properties| Dielectric Properties]]|| Static and frequency dependent dielectric properties, Berry phases, spectroscopy (UV, VIS, X-ray).
|style="background: #F3FCFB; padding:5px; border-style: solid; border-width: 15px; border-color: white"| [[:Category:Ionic minimization| Ionic mimimization]]||style="background: white; padding:5px; border-style: solid; border-width: 15px; border-color: white"| Structure optimization, ionic-mimimization methods, [[:Category:Forces|forces]], [[:Category:Transition States|transition states]], etc.
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| [[:Category:Linear response| Linear Response]]|| Static dielectric properties, phonons form linear response.
|style="background: #F3FCFB; padding:5px; border-style: solid; border-width: 15px; border-color: white"| [[:Category:Molecular dynamics| Molecular dynamics]]||style="background: white; padding:5px; border-style: solid; border-width: 15px; border-color: white"| Barostats, [[:Category:Thermostats|thermostats]], [[:Category:Ensembles|ensembles]], etc.
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| [[:Category:NMR| NMR]]|| Chemical shifts, electric field gradients.
|style="background: #F3FCFB; padding:5px; border-style: solid; border-width: 15px; border-color: white"| [[:Category:Ensemble properties| Ensemble properties]]||style="background: white; padding:5px; border-style: solid; border-width: 15px; border-color: white"| Monitoring geometric parameters, pair-correlation function, thermal conductivity, diffusion, etc.
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| [[:Category:Many-Body Perturbation Theory| Many-Body Perturbation Theory]]|| ACFDT, BSE, GW, MP2, CRPA.
|style="background: #F3FCFB; padding:5px; border-style: solid; border-width: 15px; border-color: white"| [[:Category:Advanced molecular-dynamics sampling| Advanced molecular-dynamics sampling]] ||style="background: white; padding:5px; border-style: solid; border-width: 15px; border-color: white"| [[:Category:Interface pinning|Interface pinning]], constrained molecular dynamics, metadynamics, thermodynamic integration, etc.
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| [[:Category:Magnetism| Magnetism]]|| Spin-orbit coupling, non-collinear magnetism.
|style="background: #F3FCFB; padding:5px; border-style: solid; border-width: 15px; border-color: white"| [[:Category:Machine-learned force fields| Machine-learned force fields]]||style="background: white; padding:5px; border-style: solid; border-width: 15px; border-color: white"| Training and application of force fields.
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|-
<!--| [[:Category:Surfaces| Surfaces]]||
|style="background: #F0F4FF; padding:5px; border-style: solid; border-width: 15px; border-color: white"| [[:Category:Phonons| Phonons]]||style="background: white; padding:5px; border-style: solid; border-width: 15px; border-color: white"| Lattice vibrations, [[:Category:Electron-phonon_interactions | electron-phonon interactions]].
|- -->
| [[:Category:Defects| Defects]]|| Dipole corrections for defects in solids.
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| [[:Category:Atoms and Molecules| Atoms and Molecules]]|| Monopole, dipole, and quadrupole corrections.
|style="background: #F0F4FF; padding:5px; border-style: solid; border-width: 15px; border-color: white"|  [[:Category:Linear response| Response theory]]||style="background: white; padding:5px; border-style: solid; border-width: 15px; border-color: white"| Static and frequency-dependent [[:Category:Dielectric properties|dielectric properties]], Berry phases, spectroscopy (UV, VIS, X-ray), [[:Category:Phonons|phonons]], etc.
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| [[:Category:Transition States| Transition States]]|| Elastic band method, improved dimer method.
|style="background: #F0F4FF; padding:5px; border-style: solid; border-width: 15px; border-color: white"|  [[:Category:Many-body perturbation theory| Many-body perturbation theory]]||style="background: white; padding:5px; border-style: solid; border-width: 15px; border-color: white"| ACFDT, BSE, GW, MP2, CRPA.
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| [[:Category:Wannier Functions| Wannier Functions]]|| Obtaining Wannier functions.
<!--| [[:Category:Defects| Defects and doping]]||style="background: white; padding:5px; border-style: solid; border-width: 15px; border-color: white"| Dipole corrections for defects in solids, VCA, etc.
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<!-- | [[:Category:Core states| Core states]]||style="background: white; padding:5px; border-style: solid; border-width: 15px; border-color: white"| Frozen-core approximation, X-ray abpsorption spectra (SCH calculations), ICORELEVEL, etc.
|- -->
|style="background: #FCF3F4; padding:5px; border-style: solid; border-width: 15px; border-color: white"| [[:Category:Wannier functions| Localized basis and projection]]||style="background: white; padding:5px; border-style: solid; border-width: 15px; border-color: white"| Obtaining [[Wannier functions]], SCDM, partial DOS and on-site charge and magnetization ({{TAG|LORBIT}}), [[Constrained-random-phase approximation]]
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<!--
|style="background: #F8F4FB; padding:5px; border-style: solid; border-width: 15px; border-color: white"| [[:Category:Performance| Performance]]||style="background: white; padding:5px; border-style: solid; border-width: 15px; border-color: white"| [[:Category:Parallelization| Parallelization]], [[:Category:Memory|memory management]], profiling, etc.
| [[:Category:Performance| Performance]]|| Parallelization, memory management.
<!---
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| [[:Category:Common Pitfalls| Common Pitfalls]]|| Most important parameters, typical sources of errors.
|style="background: #F8F4FB; padding:5px; border-style: solid; border-width: 15px; border-color: white"| [[:Category:VASP6|Outlook]]|| style="background: white; padding:5px; border-style: solid; border-width: 15px; border-color: white"|Features that will only be available in VASP.6.X.
|-
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| [[:Category:Theory| Theoretical Background]]|| DFT, PAW, vdW, spectroscopy, MD.
--->
|-
| [[:Category:VASP6|VASP.6 / VASP6]]|| Features that will only be available in VASP.6.X.
|-
<!--| [[:Category:Programming|Programming]]|| Hints for programmers, etc.
|- -->
<!--| [[FAQ|FAQ]]|| Frequently asked questions on all topics. -->
|}
|}
<!-- == Visualisation and Postprocessing ==
Here we can link to postprocessing programs and script, visualization tools, etc etc.
-->


== Support ==
== Support ==
If you have questions or run into trouble, please have a look and/or post a question at the [https://www.vasp.at/forum/ VASP forum]
If you have questions or run into trouble, please have a look at the [[Known issues|known issues]] and/or post a question on the [https://www.vasp.at/forum/ VASP Forum].
 
{{NB|mind|We offer support on a courtesy basis only, not as a contractual service.}}
Please note: we offer support on a courtesy base only, not as a contractual service.


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[[The VASP Manual#toc|Back to the top]]
[[The VASP Manual#toc|Back to the top]]

Latest revision as of 13:21, 19 March 2024

Take a tour Install VASP Get a license
Release notes VASP website and news Forum
Learn, examples, Wiki tutorials py4vasp Portal

Featured topics

Category subtopics (amongst others)
Theoretical background Density-functional theory, pseudopotentials, projector-augmented-wave formalism, phonons, machine learning force fields, hybrid functionals, GW approximation, etc.
Calculation setup Installation, input files, output files, INCAR tags, How to's, etc.
Electronic minimization Self-consistency cycle, blocked-Davidson algorithm, RMM-DIIS, direct optimization of the orbitals, preconditioning, density mixing, etc.
Electronic ground-state properties Band structure, density of states, partial DOS and on-site charge and magnetization (LORBIT), electrostatics, etc.
Spin degree of freedom Spin-orbit coupling, noncollinear magnetism, spin spirals, constrained magnetism, etc.
Exchange-correlation functionals LDA, GGA, meta-GGA, DFT+U, hybrid functionals, van der Waals functionals.
Symmetry and structure Crystal symmetry, reciprocal space, surfaces, pair-correlation function for liquids, etc.
Ionic mimimization Structure optimization, ionic-mimimization methods, forces, transition states, etc.
Molecular dynamics Barostats, thermostats, ensembles, etc.
Ensemble properties Monitoring geometric parameters, pair-correlation function, thermal conductivity, diffusion, etc.
Advanced molecular-dynamics sampling Interface pinning, constrained molecular dynamics, metadynamics, thermodynamic integration, etc.
Machine-learned force fields Training and application of force fields.
Phonons Lattice vibrations, electron-phonon interactions.
Response theory Static and frequency-dependent dielectric properties, Berry phases, spectroscopy (UV, VIS, X-ray), phonons, etc.
Many-body perturbation theory ACFDT, BSE, GW, MP2, CRPA.
Localized basis and projection Obtaining Wannier functions, SCDM, partial DOS and on-site charge and magnetization (LORBIT), Constrained-random-phase approximation
Performance Parallelization, memory management, profiling, etc.

Support

If you have questions or run into trouble, please have a look at the known issues and/or post a question on the VASP Forum.

Mind: We offer support on a courtesy basis only, not as a contractual service.

Back to the top